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1206-88-8

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1206-88-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1206-88-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,2,0 and 6 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1206-88:
(6*1)+(5*2)+(4*0)+(3*6)+(2*8)+(1*8)=58
58 % 10 = 8
So 1206-88-8 is a valid CAS Registry Number.

1206-88-8Relevant articles and documents

Acid-catalyzed Ethanolysis of Di-1-azulenyl Ketones

Saitoh, Masaki,Hashimoto, Keitaro,Nakazawa, Tomoo,Sugihara, Yoshikazu

, p. 3563 - 3566 (2007/10/02)

Substituted di-1-azulenyl ketones composed of 3,8-dimethyl-5-isopropyl-1-azulenyl and/or 4,6,8-trimethyl-1-azulenyl group were refluxed in ethanol in the presence of p-toluenesulfonic acid to give substituted azulenes and ethyl azulene-1-carboxylates derived from the cleavage of either of C-CO bonds of di-1-azulenyl ketones.The facility and the product distributions of the ethanolysis were affected markedly by the substitutents.

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